On the index of pseudodifferential operators with isolated singularities in the symbols
B. A. Plamenevskii, G. V. Rozenblum

This publication is cited in the following articles:

1. B. A. Plamenevskii, G. V. Rozenblum, “Pseudodifferential operators with discontinuous symbols: $K$-theory and the index formula”, Funct. Anal. Appl., 26:4 (1992), 266–275